Nitrous Express Nitrous Kit w/Billet LT4 Supercharger Lid w/10lb Bottle (20939-10) 1617 Features: 13oz

Features: 13oz

"What's In the Box "

5in tubing will let that turbo breathe and the open exhaust valve will deliver an aggressive

Dyno-verified max power gains of 15 HP and 31 lb-ft of torque to the crank

Nitrous Express Nitrous Kit w/Billet LT4 Supercharger Lid w/10lb Bottle (20939-10) 1617 Features: 13ozThis Billet LT4 Supercharger Lid replaces the upper supercharger lid on all GM LT4 Superchargers for a quick and clean install. Nitrous and fuel are injected into each cylinder from inside of the supercharger lid, providing direct port style distribution. Systems come standard as a single stage with jetting for 100 to 300WHP. This lid is made from a solid piece of billet aluminum with 1 8NPT machined directly into the lid, which makes it easy to add a